Remove old downloads UI; Material Design version is now the default.

chrome/test/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_tests.gni")
@@ skipping 634 matching lines @@
     if (!is_chromeos) {
       sources -= [
         "data/webui/certificate_viewer_dialog_test.js",
         "data/webui/settings/bluetooth_page_browsertest_chromeos.js",
         "data/webui/settings/change_picture_browsertest_chromeos.js",
       ]
     }
     if (!enable_app_list) {
       sources -= [ "../browser/ui/webui/app_list/start_page_browsertest.js" ]
     }
-    if (!enable_supervised_users) {
-      sources -=
-          [ "../browser/ui/webui/downloads_ui_supervised_browsertest.js" ]
-    }
     if (!enable_print_preview) {
       sources -= [ "data/webui/print_preview.js" ]
     }
     if (enable_media_router) {
       sources +=
           [ "data/webui/media_router/media_router_elements_browsertest.js" ]
     }
     deps = [
       "//chrome/browser/ui",
       "//skia",
@@ skipping 1559 matching lines @@
 if (is_android) {
   android_library("unit_tests_java") {
     DEPRECATED_java_in_dir = "//chrome/test/android/unit_tests_apk/src"
     deps = [
       "//base:base_java",
       "//chrome/android:chrome_java",
       "//content/public/android:content_java",
     ]
   }
 }